英文版漫步华尔街。 In this book I will take you on a random walk down Wall Street, providing a guided tour of the complex world of finance and practical advice on investment opportunities and strategies. Many people say that the individual investor has scarcely a chance today against Wall Street's professionals. They point to techniques the pros use such as "program trading," "portfolio insurance," and investment strategies using complex derivative instruments, and they read news reports of mammoth takeovers and the highly profitable (and sometimes illegal) activities of well-financed arbitrageurs. This complexity suggests that there is no longer any room for the individual investor in today's institutionalized markets. Nothing could be further from the truth. You can do as well as the expertsperhaps even better. As I'll point out later, it was the steady investors who kept their heads when the stock market tanked in October 1987, and then saw the value of their holdings eventually recover and continue to produce attractive returns. And many of the pros lost their shirts during the 1990s using derivative strategies they failed to understand.

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The Linux® Kernel Primer is the definitive guide to Linux kernel programming. The authors' unique top-down approach makes kernel programming easier to understand by systematically tracing functionality from user space into the kernel and carefully associating kernel internals with user-level programming fundamentals. Their approach helps you build on what you already know about Linux, gaining a deep understanding of how the kernel works and how its elements fit together.

189-down 天翼云网盘分享直链解析，支持目录 demo： 食用方法： fork本项目 开启Github Pages 绑定域名（可选） enjoy it! cf-workers也是可以部署的,复制 接口说明 接口源自隔壁： 由于PanIndex支持多网盘模式，接口可能会失效，所以我将接口独立了出来 https://api.noki.top/pan/cloud189/shareToDown 可以在main.js中替换自己的api地址，具体接口参数返回值，请查看源码 测试分享链接 无密码文件 链接： 密码文件 链接： 访问码：8h2j 无密码文件夹 链接： 密码文件夹 链接： 访问码：6lrv TODO List 支持更多网盘

在Top-Down 设计模式下,结构设计是个逐步细化的过程,因此用于机构运动仿真的模型也是个逐步细化完善的模型。本文基于DELMIA 软件Device-Building 模块,提出了一种基于虚拟节点坐标系约束的仿真方法。该方法适用于Top-Down 设计环境下的机构运动仿真,很好地避免了在模型细化后需要重新建立仿真模型、约束模型等工作,提高仿真工作的效率。

场景 我在一个div中生成的是一个多级列表，需要多次点击列表，找到对应的列表项，而Bootstrap默认在dropdown-menu中点击一次就会消失。 点击右侧的按钮，弹出一个多级列表 代码如下：